Backwater trap and floor drain



July 29, 930.

C.D. BRUNO BACKWATER TRAP AND FLOOR DRAIN Filed sept. 2o, 1929 f, n.. W?7 I N VEN TOR.

A TTORNEY.`

Patented July 29, 1930 cosivio D. BRUNO, or YoUNGsToWN`,o1ro

Backwaren TRA? AND FLoon'nRAIii Application filed September 20, 15129.VSerial No. 394,047.

The present invention relates to an iinproved backwater trap and floordrain of that type wherein a valve is provided to close the outlet ofthe catch basin to prevent the backing of sewer water through the trapand flooding the premises around the trap.

An object of the invention is to provide a device of the above kindwhich is efficient in operation, and of simple and cheap conlostruction.

The invention resides in the novel details of construction, andcombination and arj rangement of parts hereinafter more fully described,shown in the accompanying drawing, and claimed.

In the drawing:

Figure 1 is a view showing an embodiment of the present inventionoperatively associated with a waste pipe, the trap being in centralvertical section;

Figure 2 is a view somewhat similar to Figure 1, showing a modified formof the invention; and i Figure 3 is a view somewhat similar to Figure 1,showing a still further modified form of the invention.

Referring in detail to the drawing, 5 indi- Cates a catch basin havingan integral bottom outlet nipple 6 for connection with the upper end ofthe usual waste pipe 7 that leads to a sewer main 8. The catch basin 5is formed at the top with a continuous upwardly facing shoulder or seat9 for the usual perforated cover plate 10, and a supporting flange r 11which, in Figures 1 and 2, is form-ed at one side with a shoulder orseat 12.

The portion of the bottom wall of the catch basin coincident with thenipple 6 is perforated as at 13 toprovide an outlet. Pivoted at 14 toone side of the catch basin 5, is a lever 15 having one arm Vextendinginto the upper end of the nipple 6 and provided on the laterallydirected free inner end thereof with a valve-disk 16 adapted to seatupwardly against the perforated bottom wall portion at 13 to close theoutlet of the catch basin. The other arm of lever 15 is counterbalancedby a weight 17 on the freeouter end thereof so that the valve-disk 16 isnormally lightly seated or closed. This insures ready and quick `openingof the valve-disk when water entersl the catch basin and falls on thevalve-disk to. overcome the action ofthe weight 17 andv at the same timeinsures prompt tight seating ofthe valve-disk when 5 5 subjectedfto backpressure by water backing up in the waste pipe 7. i Obviously, when thevalve-disk is thus seated, the outlet of the catch basin iseffectivelyclosed and backing of the water through the trap and floodingi of the surrounding premises is prevented.

In` installing the forms` ofpresent trap and floor drain shown inFigures11 and 2, a pocket or chamber 18 is left inthe floor 19 at one side ofthe catch basin to receive the weighted armof lever 15 and permit freemovement thereof, and this chamber is closed at the top by a ,closureplate supported atone side by the Vshoulder l2V and at the re-v mainingthree sides by a depressed shoulder' 70 2O formed in the floor about thetop ofthe chamber 18. 1' y In the form of the `invention shown inFigurel 1, the inner arinof lever 15 passes through a slot 21 in theside of the outlet i nipple 6',r while in Figure 2 the same arm assesthrough the sideof the catch basin and down through the perforatedbottoni portion `of thelatter. SuchV slight leakage as may be hadthrough slot 21 will b e negli- 50 gible, especiallyif suitable-packingmeans is employed at this `point between the inner arm of the lever andthe wall of nipple 6. Otherwise, these two forms are substantially alikeand the similar parts are-indicated by like reference numeralsin bothviews. lIn the formsl of the invention shown in Figures 1 and 2, thelever 15 is mounted eX ternally of the catchbasin, while in Figure3`-said levier `ismountedentirely within the .catch basinwThe lastmentioned form may be installed without forming the chamber 18 or 1slotting the catch basin or vits outlet nipple. i

f Minor Changes are contemplated within the-spirit and scope oftheinvention as' claimed y y WThatIjClaim-as new is: Y

1. A backwater trap and floor drain comprising a catch basin providedwith a bot- 100 tom outlet nipple and having the portion of its bottomwall coincident with the inner end of said nipple perforated to form anoutlet thereto, a lever pivoted intermediate its ends to one side of thecatch basin externally of the latter, one arm of said lever extendinginto the upper end of said outlet nipple and having a valve-disk on thefree end thereof adapted to seat upwardly against the perforated bottomwall portion of the catch basin to close the outlet of the latter, theother arm of said lever having a weight to counter-bal ancke andnormally lightly seat said valvec is 2. A backwater trap and floor draincomprising a catch basin provided with a bottom outlet nipple and havingthe portion of its bottom wall coincident with the inner end of saidnippleperforated to form an outlet thereto, a lever pivoted intermediateits ends to Vone side of the catch basin externally of the latter, onearm of said lever extending into the upper end of said outlet nipple andhaving a valve-disk on the free end `thereof adapted Ito seat upwardlyagainstthe perforated bottom wall porti-onV of the catch basin to closethe outlet lof the latter, the

other arm of said lever having a weight to counter-balance and normallylightly seat said valve-disk, the inner arm of the lever extendingthrough a side of the catch basin above the bottom of the same fanddirected laterally in a downwardly direction through the perforatedbottom. wallportio'nlof said catch basin. y

3. A backwater trap and Hoor drain comprising a catch basin providedwith a bottom outlet nipple and having'the portion of its bottom wallcoincident ywith the inner end of said nipple perforated to for-In anoutlet thereto, a lever pivoted intermediate itsends to one `side of thecatch basin externally of the latter, onearm Vof saidlever extendinginto` the upper end of said outlet nipple and havingv a valve-disk onthefree ,en d thereof adapted to seat upwardly against the perforatedbottom wall portion of the catch basin to close the outlet of thelatter, the other arm of said lever having a weight to counterbalanceand normally lightly seat said yalvedisk, said catch basin having a topflange formed at oneside with aseat, the outer yarm of the lever beingadapted for arrangement in a chamber in the floor separate from and atoneside of the catch basin, and a Yclosure plate for said chamberadapted to be partially supported on said seat of said top flange.

'4. A backwater trap and floor drain comprising a' catch basin providedwith ak Vbottom outlet nipple and having ,the portion of its bottom'wall coincident with theinner end of said nipple perforated to for-manoutlet thereto, a lever pivoted intermediate COSIMO D. IBRUNO.

its ends to oneside of the catch basin, one

arm of said lever extending into the upper llO

